Heavy Duty Silver Color Belt Buckle & Knuckle. This belt buckle has four finger holes that can fit any finger size. It also carries the pin which can fit on any belt holes. Cast metal construction with Silver Color, Finger Hole Width: 1 inch, Finger Hole Length: 1 1/8 inch, Total Width Of Belt Buckle: 4 1/2 inch, Total Length Of Belt Buckle: 2 5/8 inch, Thickness: 1/2 inch.